Learn what "he can't be doing this alone" means, when people say it, and how to use it naturally in English.

It means the speaker believes another person is probably helping.
From The Ceo, Episode 34
The speaker doubts that one person could have done this alone.
Use this when investigating wrongdoing or suspicious behavior. It is useful in crime, workplace, or family drama, but it is context-dependent.
Scenes unlock real expressions as you watch
Tap to translate or use dual subtitles
Practice immediately with AI Characters
Reinforce with quick quizzes and repetition
Build speaking confidence with drama-based context, instant explanations, and AI-powered practice tailored to real conversations.
Start learning